Will teeth that have been reduced for a porcelain crown eventually die after several years?

Mar 20, 2025 Source: Cainiu Health
Dr. Liu Chao
Introduction
Whether a tooth reduced for a porcelain crown will necrotize after several years mainly depends on the grinding process and oral hygiene habits. If the procedure is performed properly and the patient maintains good oral care, the tooth typically will not necrotize. However, improper technique during the procedure or inadequate postoperative care may lead to necrosis. Regular oral hygiene practices and periodic follow-up examinations are also important to help extend the lifespan of the tooth.

Generally, a porcelain crown is fabricated after preparing the affected tooth and then bonded onto the prepared tooth to restore its shape, function, and aesthetics. The general reference price for a porcelain crown ranges from 500 to 1,500 yuan per tooth, and improvement is usually noticeable within one to two weeks. Whether a tooth reduced during the crown preparation will eventually necrotize after several years mainly depends on the grinding process and oral hygiene habits. If the procedure is properly performed and maintained well by the patient, the tooth typically will not necrotize. However, improper technique during the procedure or inadequate postoperative care may lead to tooth necrosis. Detailed explanation is as follows:

Under normal conditions, if the grinding process is appropriately performed, the porcelain crown fits well at the margins after placement, and the patient maintains good oral hygiene habits—such as proper brushing and flossing to prevent food debris accumulation and reduce bacterial growth—the prepared tooth generally will not become necrotic after several years.

However, if excessive tooth structure is removed during the grinding process, causing or nearly causing pulp exposure without implementing pulp protection measures, or if the patient's oral hygiene is poor afterward, pulpitis may gradually develop, potentially leading to tooth necrosis and discoloration.

It is recommended to visit a reputable hospital and follow the guidance of a dentist to ensure the procedure's effectiveness and safety. Additionally, maintaining good oral hygiene and undergoing regular checkups can help prolong the lifespan of the tooth.